Anomalous weather

extremely rare unexplained atmospheric electrical phenomenon

1816, a volcanic winter event during the Little Ice Age

historical period of unusually severe weather

rare meteorological phenomenon

atmospheric phenomenon in Venezuela

phenomenon observed sporadically during the summers in the southern Indian state

perceived blood-like rain typically caused by aerial spores of microalgae Trentepohlia annulata

night with temperature of at least 20 degrees Celsius

severe air pollution event over parts of New England on May 19, 1780

event

regularly recurring thundercloud in Australia

alleged phenomenon in Yoro, Honduras

anomalia de la temperatura freda de les aigües superficials de l'oceà, que afecta la circulació de retorn meridional de l'Atlàntic